Respuesta :

Answer:

-0.3

Step-by-step explanation:

i used online calculator

Answer:

- 3/10 or - 0.3

Step-by-step explanation:

Step 1:

- 2/5 - 4/5 - ( - 9/10 )     Equation

Step 2:

- 6/5 - ( - 9/10 )      Subtract

Step 3:

- 6/5 + 9/10      Open the Parenthesis

Step 4:

- 12/10 + 9/10      Convert - 6/5 to - 12/10

Answer:

- 3/10 or - 0.3      Add

Hope This Helps :)

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